/Engine/Source/Developer/ScreenShotComparisonTools/Public/ImageComparer.h
Populate image by loading compressed data
true if success
bool LoadCompressedData ( const void * CompressedData, int64 CompressedSize, const [FString](API\Runtime\Core\Containers\FString) & ImageExtension, [FText](API\Runtime\Core\Internationalization\FText) & OutError )